\begin{table}\centering \small \ssp 
 \begin{threeparttable}
 \caption{Results from analysis of labor roll call votes in the Senate using Markov field random priors (73rd--80th Congresses)} 
 \label{tab:rc_probits_mrf} 
\begin{tabular}{ld{-1}d{-1}d{-1}d{-1}} 
 \toprule 
 \midrule 
& \multicolumn{1}{c}{Region-Period Effect} & \multicolumn{1}{c}{Union} & \multicolumn{1}{c}{AA\%} & \multicolumn{1}{c}{Urban \%} \\ 
73rd,Deep South &  0.39  &  0.09  &  -0.01  &  -0.02 ^{*} \\
 74th,Deep South &  0.49  &  0.09 ^{*} &  -0.03 ^{*} &  -0.03 ^{*} \\
 75th,Deep South &  0.87 ^{*} &  0.1 ^{*} &  -0.03  &  -0.02 ^{*} \\
 76th,Deep South &  0.41  &  0.08  &  -0.01  &  -0.02 ^{*} \\
 77th,Deep South &  0.27  &  0.07  &  -0.04 ^{*} &  -0.02 ^{*} \\
 78th,Deep South &  0.03  &  0.06  &  -0.04  &  -0.01 ^{*} \\
 79th,Deep South &  0.29  &  0.08 ^{*} &  -0.04 ^{*} &  -0.02 ^{*} \\
 80th,Deep South &  0.54 ^{*} &  0.05  &  -0.06 ^{*} &  -0.02 ^{*} \\
 
 \midrule 
73rd,Border South &  -0.51 ^{*} &  0.05 ^{*} &  -0.06 ^{*} &  0  \\
 74th,Border South &  0.21  &  0.08 ^{*} &  -0.03 ^{*} &  -0.01  \\
 75th,Border South &  0.15  &  0.08 ^{*} &  -0.06 ^{*} &  -0.01  \\
 76th,Border South &  -0.23  &  0.09 ^{*} &  -0.04  &  0  \\
 77th,Border South &  -0.15  &  0.08 ^{*} &  -0.02  &  -0.01  \\
 78th,Border South &  -0.14  &  0.08 ^{*} &  -0.03 ^{*} &  -0.01 ^{*} \\
 79th,Border South &  -0.57 ^{*} &  0.07 ^{*} &  0  &  -0.02 ^{*} \\
 80th,Border South &  -0.53  &  0.07 ^{*} &  -0.02 ^{*} &  -0.02 ^{*} \\
 
 \midrule 
73rd,Non-South &  -0.49 ^{*} &  0.08 ^{*} &  -0.05 ^{*} &  -0.01 ^{*} \\
 74th,Non-South &  -0.46 ^{*} &  0.08 ^{*} &  -0.02 ^{*} &  -0.01 ^{*} \\
 75th,Non-South &  -0.54  &  0.07 ^{*} &  -0.02 ^{*} &  -0.01 ^{*} \\
 76th,Non-South &  -0.02  &  0.07 ^{*} &  -0.06 ^{*} &  -0.01 ^{*} \\
 77th,Non-South &  -0.08  &  0.06 ^{*} &  -0.01 ^{*} &  -0.01 ^{*} \\
 78th,Non-South &  -0.04  &  0.08 ^{*} &  -0.01  &  -0.02 ^{*} \\
 79th,Non-South &  0.44  &  0.02  &  -0.07 ^{*} &  -0.02 ^{*} \\
 80th,Non-South &  -0.3 ^{*} &  0  &  0.01 ^{*} &  0  \\
 
 \midrule \midrule 
Democrat & 1.48 ^{*}  \\ 
Labor Committe & 0.56 ^{*}  \\ 
\bottomrule 
 \end{tabular}
 \begin{tablenotes} 
 \item 
 {\em Notes}: \ssp $^{*} p \leq .1$. Estimation using MCMC implemented in {	t BayesX}, 100,000 iterations (first 10,000 discarded). \textit{Union} indicates union density, \textit{AA} indicates percent African-American, \textit{Urban} indicates percent urbanization, and \textit{Labor Committee} and \textit{Democrat} refer to dummy variables indicating membership on the labor committee and in Democratic party, respectively. 
 \end{tablenotes} 
 \end{threeparttable} 
 \hspace{\fill} 
 \end{table}
 
 
